Sienna's personality is similar to Fluttershy's. She is really shy, gentle, serene, sweet, kind, polite, helpful, compassionate, forgiving, sweet-tempered, even-tempered, graceful, sympathetic, and selfless. Sienna really respects Sonja really well including her friends. She is one of the kindest members of Sonja's team. She is a big fan of romance too and she can get really excited when she saw someone kissing. Sienna can easily become sad and sensitive when something goes wrong. She although will try her hardest not to give up, reminding herself of what Sonja has taught her. Despite her shyness, she's also actually very smart, clever, and observant about nature and animals. While sincere most of the time, she also has a playful side often joking about seeing Legendary Pokemon, much to Scarlett's annoyance.